The P0304 diagnostic trouble code on your 2024 Toyota Tundra indicates the engine control module has detected consistent misfires in cylinder 4. The 2024 Tundra continues with the refined twin-turbo V6 powertrain.
2024 Tundra Powertrains
The 2024 Tundra offers the i-FORCE 3.4L twin-turbo V6 (389 hp) or i-FORCE MAX hybrid (437 hp). Cylinder 4 is on one bank of this V6. The platform has been refined since its 2022 introduction.
Typical Causes
- Ignition Coil Problems: High boost stresses ignition
- Spark Plug Condition: Turbo-specific requirements
- Boost System Integrity: Leaks cause lean conditions
- Fuel Injector Issues: Direct injection deposits
- Hybrid Operation: i-FORCE MAX specific
Diagnostic Process
Use Toyota diagnostics for detailed twin-turbo access. Monitor boost and misfire data. The platform is more mature than 2022. Test ignition components systematically.
Repair Recommendations
Replace faulty ignition coils with Denso OEM parts. Install properly specified spark plugs. Repair boost leaks. Dealer service ensures warranty coverage.